The scar one acquires through obtaining smallpox vaccinations, usually found on the upper left arm. Since children born in Western nations has not received smallpox vaccinations for decades, the presence of this mark indicates thast one spent their chilldhood outside the U.S.
Chad claims to be an ABC (American born Chinese) and noone says otherwise for his lack of accent, but he totally has a fob mark!
by chad_thunderWang March 14, 2017
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